初中科学八年级上串并联电路作图实物图电路图

1、household two bags of flour, a bag of rice, 50 kg oil, brought a detachment of their concern and sympathy. , each batch contact team members to their respective homes, sent 200 yuan per household relief funds, gave 15 shc families donated clothing 34 traffic police. working group on every one, caref

2、ully conveys the party central committee and the state council concerning agriculture, rural areas and farmers of the policy details . set with simulation highway, and continuous sharp mountain road, and tunnel, and rain (fog) days, and wet sliding road, and emergency situation disposal, exam projec

3、t of statewide motor vehicle driver exam field cannot landing; construction integrated 122 received at police system, and intelligent digital integrated communications platform, and intelligent video monitoring platform, and traffic signal control platform, and integrated query platform, and emergen

4、cy plans intelligent auxiliary decision system, integration of intelligent traffic command system cannot started; construction interactive, and experience type large traffic security publicity education base no special funds, severely restricted the work of public security traffic management of leap

5、-forward development. six management difficulty is further increased. with my states rapid economic development, urban and rural residents consumption levels increase year by year, number of motor vehicles was seen fast growth, drivers licenses to obtain and sharp growth in vehicle traffic, car work

6、 posed a serious test. the ministry of public security promulgated 123, 124th, and the motor vehicle driver examination of work discipline, the strict implementation of the dmv nine prohibitions regulations the promulgation and implementation of the system, and his pards pipe business requires a lot

7、 of new changes on vehicle management of civilian police operations has put forward higher requirements for the quality. current business process more cumbersome, if you need more windows, programs, handling the complex, accepting materials can be dispensed with, inadequate levels of civilian police

8、 and window configuration, to a large extent, restrict vehicle management and applying for a drivers license for the management of masses more, wait longer, some people do not understand, resentments increase. seven were traffic police overall quality needs to be improved. new era police traffic man

9、agement work, to police traffic police proposed has more high of requirements, rational, and peace, and civilization, and specification law enforcement behavior is promoted law enforcement standardized construction of footing points, is people of high expects, is building harmony police relationship

10、 of ties, individual police in for who law enforcement, for who service of law enforcement concept exists deviation, service consciousness, and evidence consciousness, and program consciousness and specification law enforcement consciousness also enough strong, law enforcement process in the not as,

11、 and mess as of phenomenon occurred, law enforcement not specification, and1、根据实物图，画出电路图（要求标出l1、l2、s1、s2的位置） 2、电冰箱的压缩机和冷藏室内照明小灯泡工作时互相不影响，压缩机由温控开关控制，灯泡由门控开关控制，请在图-2中用笔画线连接好电冰箱的工作电路图。3、晓亮家的卫生间安装有一盏照明灯和一个换气扇(实质是电动机)。使用时，有时需要照明灯和换气扇各自独立工作，有时需要它们同时工作。请在图34的方框内画出晓亮家卫生间电路的电路图。4、请在图13的两个虚线框内，选填“电源”和“开关”的符号，

12、并满足当开关都闭合时两灯组成并联电路。5、如图8所示，灯l1与l2并联，电路中电流方向如箭头所示试根据电流方向在图中的虚线方框中填上电池或开关的符号，使电路连接符合要求 6、按照图11所示的电路图，将图12中各元件连接起来。【用笔画线表示导线，导线不许交叉】7、按照图9所示的电路图, 将图中各个元件连接起来。8、用笔画线，将图中的器材连成电路。（要求：两灯并联，开关控制两盏灯）9、按图（甲）的电路图把 (乙)图中实物连接起来(用铅笔画线做为导线)。10、某课外小组用两个开关、一个电源、导线若干，将一盏灯泡和一个电子门铃连接在电路中。当同时闭合两个开关，才能使灯泡发光、电子门铃发声；若只闭合其中

13、某一个开关，灯泡不亮，电子门铃不响；若只闭合其中的另一个开关，则灯泡发光但电子门铃不响。根据以上要求，请在方框中画出符合要求的电路图（电子门铃可以用“ ” 符号代表）并根据你所设计的电路图连接图所示的实物图。11、根据以下要求，设计电路，用笔代线在图中画出相应的实物连接图， ( 导线不能交叉 ) 要求： (1) 只闭合 s 1 时，红灯发光，绿灯不发光 (2)s 1 、 s 2 都闭合时，两灯都发光 (3) 只闭合 s 2 时，两灯均不发光。 12、按下图甲中的电路图，用笔画线代替导线，把下图乙中的实物连接起来，连线不要交叉。13、小明连接好了一个电路，如图8所示。（1）请在图9的方框内画出他

14、的电路图（2）小红认为此电路有缺点，因为没法只让灯l2亮，而灯l1不亮。小红想将此电路改为由s1、s2分别控制灯l1、l2的并联电路，应该如何连接？请你帮她想个解决的办法，用笔画线代替导线连接图10的实物电路图。14、按图甲中的电路图，将图乙中的实物连成电路（用笔画线代替导线，连线不要交叉）.15、按电路图，将实物连成电路.16、根据图所示的电路图连接图所示的实物图17、按电路图（甲）连接图（乙）：18、按图所示的实物图画电路图：19、按图所示的实物图画电路图：20、按图所示的实物图画电路图：参考答案一、作图题1、2、（略） 3、略 4、 5、略 6、如图27、略 8、 9、 10、电路图和实

15、物连接各2分，共4分 11、15 、 12、13、14、15、16、17、18、19、20、quality is not high, the level of enforcement is not high, the prevalent problem of says but cant win, to the case and resolve social conflicts have had a tremendous impact. three, and next work in second half of work in the, we will control 2013 statewi

16、de police traffic management focus work responsibility, seriously lessons learned, make up work insufficient, focus do following work: (a) tightly around superior work deployment, in-depth implement gannan tibetan autonomous government on further strengthening road traffic security work of implement

17、ation views, policy regulations, to source management, and specification law enforcement, and improved style for hand, struggled to advance peace construction, and rule of law construction and team construction, efforts to upgrade the overall quality and promotion for protection against accidents, maintain smooth flow and promote development ability and level and ensure the continued smoot